* {
  margin: 0;
  padding: 0;
  list-style: none;
}
.showxiao {
  text-indent: 1em;
  font-size: 0.8vw;
  padding: 0.5vw 0.5vw;
}
.huancun {
  border-top: 1px solid #ccc;
  width: 85vw;
  margin-left: 1.2vw;
  font-size: 0.85vw;
  overflow: hidden;
  height: 0vh;
  transition: 3s;
  p {
    padding: 0.2vh 0;
    
  }
}
